Diana Elizabeth Riley, MPH, MS, PA-C
- Medicare services, 2024
- 6,705
- Medicare patients, 2024
- 1,256
- Part D claims, 2024
- 913
- Hospital affiliations
- 2
- Industry payments
- $681
- Practice address
- 925 Bevins Court, Lakeport, CA 95453
- Practice phone
- Call (707) 263-8382
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lake County Tribal Health Consortium - Lakeport Clinic
FQHC - Main Site · Lakeport, California
Find Diana Riley's professional email, personal email and mobile number
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Diana Elizabeth Riley is a physician assistant in Lakeport, California
Diana Riley practices at Lake County Tribal Health Consortium - Lakeport Clinic in Lakeport, California.
Diana Riley's NPI, 1730386046, was assigned on June 29, 2007. Diana Riley holds California license 16295.
- NPI
- 1730386046NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830414234
- NPI enumeration date
- June 29, 2007
- NPI status
- Active
- Practice phone
- (707) 263-8382
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Diana Elizabeth Riley practices at Lake County Tribal Health Consortium - Lakeport Clinic in Lakeport, California
Diana Riley's primary practice is Lake County Tribal Health Consortium - Lakeport Clinic, at 925 Bevins Court, Lakeport, CA 95453. The practice phone is (707) 263-8382.
- Lake County Tribal Health Consortium - Lakeport Clinic925 Bevins Court, Lakeport, CA 95453Phone(707) 263-8382
Source: Dmand AI Affiliation Data
Diana Elizabeth Riley is affiliated with 4 sites of care and 4 medical groups
Diana Riley's primary practice is Lake County Tribal Health Consortium - Lakeport Clinic in Lakeport, California. Diana Riley is also affiliated with Sutter Lakeside Hospital. The medical group on file is Lake County Tribal Health. Dmand AI also links Diana Riley to 1 more hospital, 3 medical groups and 1 government or correctional health site, each named with a free account. Diana Riley's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Diana Elizabeth Riley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diana Riley practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lake County Tribal Health Consortium - Lakeport Clinic | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Diana Elizabeth Riley is one of 11,482 physician assistants in California
Physician assistant is Diana Riley's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Diana Riley is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Diana Riley is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists acne, acute skin infection, ankle or foot injury, anxiety, benign or precancerous skin growths, cold sores or genital herpes, contact dermatitis and facial skin infection among the conditions Diana Riley treats.
Physician assistants near Diana Riley
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Diana Elizabeth Riley billed Medicare for 6,705 services in 2024
CMS data shows 6,705 Medicare services from Diana Riley across 21 procedure codes in 2024, for 1,256 Medicare patients. Medicare paid $274,963 for them. Every service was in an office.
Diana Riley's Medicare services by type, 2024
- Surgery4,825
- Office and hospital visits1,808
- Drugs given in the office72
Diana Riley compared with the California median for physician assistants, 2024
- Diana Riley
- California median
- Medicare services
- 6,705vs 20432.9 times
- Medicare patients
- 1,256vs 10512.0 times
- Part D claims
- 809vs 2433.3 times
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Diana Riley's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Diana Elizabeth Riley treated 1,256 Medicare patients in 2024, average age 75
CMS counts 1,256 Medicare patients who saw Diana Riley in 2024. The largest group is 65 to 74, with 617 patients. 69% of them have high cholesterol, and 64% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Diana Riley's median patient age at 58, with 63% women.
Diana Riley's Medicare patients by age, 2024
Diana Riley's Medicare patients by sex, 2024
- Women71557%
- Men54143%
Chronic conditions among Diana Riley's Medicare patients, 2024
- High cholesterol69%
- High blood pressure64%
- Arthritis40%
- Diabetes22%
- Ischemic heart disease20%
- Anxiety18%
- Mood disorders18%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Diana Riley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Diana Elizabeth Riley wrote 913 Medicare Part D claims in 2024
In 2024, Diana Riley wrote 913 Medicare Part D claims for 384 patients. 95% of them were for generic drugs. CMS names the drug for 809 of them, across 21 drugs with 11 or more claims each, at $66,663 in total drug cost.
Diana Riley's Part D claims by kind of drug, 2024
- Generic867 claims95%
- Brand-name46 claims5%
Diana Riley's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Diana Riley's Part D claims, 2024
- Antibiotics8%72 of 913 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Diana Elizabeth Riley scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Diana Riley for performance year 2024, reported individually.
Diana Riley's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Diana Elizabeth Riley received $681 in industry payments from 2024 to 2025
CMS Open Payments shows 26 general payments to Diana Riley from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 80% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $170.
General payments to Diana Riley by program year, 2024 to 2025
General payments to Diana Riley by kind, 2024 to 2025
- Food and beverage$54880%
- Education$13320%
Companies that paid Diana Riley the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Diana Elizabeth Riley is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Diana Elizabeth Riley's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Diana Elizabeth Riley
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diana Elizabeth Riley's NPI number?
Diana Elizabeth Riley's NPI number is 1730386046. It was assigned on June 29, 2007, and it is active in the NPI Registry.
What does Diana Elizabeth Riley specialize in?
Diana Elizabeth Riley is a physician assistant in Lakeport, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Diana Elizabeth Riley practice?
Diana Riley practices at 925 Bevins Court, Lakeport, CA 95453. Diana Riley's primary practice is Lake County Tribal Health Consortium - Lakeport Clinic in Lakeport, California. Dmand AI also links Diana Riley to 1 hospital, 3 medical groups and 1 government or correctional health site.
What is Diana Elizabeth Riley's office phone number?
The practice phone on file for Diana Riley is (707) 263-8382.
What is Diana Elizabeth Riley's medical license number?
Diana Riley holds California license 16295.
Which hospitals is Diana Elizabeth Riley affiliated with?
Diana Riley is affiliated with Sutter Lakeside Hospital. Dmand AI links Diana Riley to 1 more hospital.
What medical group is Diana Elizabeth Riley part of?
Diana Riley is linked to Lake County Tribal Health. Dmand AI links Diana Riley to 3 more medical groups.
Does Diana Elizabeth Riley accept Medicare?
Yes. CMS data shows Diana Riley billed Medicare for 6,705 services in 2024.
What is Diana Elizabeth Riley's MIPS score?
Diana Riley's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Diana Elizabeth Riley see?
CMS counts 1,256 Medicare patients who saw Diana Riley in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
Is Diana Elizabeth Riley board certified?
Yes. Diana Riley is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Diana Elizabeth Riley bill to Medicare?
In 2024, Diana Riley's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and surgery: skin and soft tissue (17110).
What drugs does Diana Elizabeth Riley prescribe most?
In 2024 Medicare Part D data, Diana Riley's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Betamethasone Dipropionate.
Has Diana Elizabeth Riley received payments from drug or device companies?
CMS Open Payments shows $681 in general payments to Diana Riley from 9 companies from 2024 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Diana Elizabeth Riley been practicing?
Diana Riley graduated from medical school in 2001, 25 years ago.
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